patch 8.2.1671: Vim9: stray error for missing white space

Problem:    Vim9: stray error for missing white space.
Solution:   Do not skip over white space after member. (closes #6817)

src/eval.c

@@ -3586,7 +3586,7 @@ eval_index(
 	    ;
 	if (keylen == 0)
 	    return FAIL;
-	*arg = skipwhite(key + keylen);
+	*arg = key + keylen;
     }
     else
     {

src/testdir/test_vim9_expr.vim

@@ -2314,6 +2314,16 @@ def Test_expr7_list_subscript()
   CheckScriptFailure(['vim9script'] + lines, 'E1030:', 3)
 enddef
 
+def Test_expr7_dict_subscript()
+  let lines =<< trim END
+      vim9script
+      let l = [#{lnum: 2}, #{lnum: 1}]
+      let res = l[0].lnum > l[1].lnum
+      assert_true(res)
+  END
+  CheckScriptSuccess(lines)
+enddef
+
 def Test_expr7_subscript_linebreak()
   let range = range(
   		3)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1671,
 /**/
     1670,
 /**/